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<a href="shared__ptr__alias__holder_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/* Flow</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * Copyright 2023 Akamai Technologies, Inc.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Licensed under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * &quot;License&quot;); you may not use this file except in</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * compliance with the License.  You may obtain a copy</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * of the License at</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *   https://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * writing, software distributed under the License is</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * See the License for the specific language governing</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * permissions and limitations under the License. */</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"></span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">/// @file</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"></span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">#include &quot;<a class="code" href="util__fwd_8hpp.html">flow/util/util_fwd.hpp</a>&quot;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceflow_1_1util.html">flow::util</a></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span>{</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment">// Classes.</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment"></span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment">/**</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment"> * Convenience class template that endows the given subclass `T` with nested aliases `Ptr` and `Const_ptr`</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment"> * aliased to `shared_ptr&lt;T&gt;` and `shared_ptr&lt;const T&gt;` respectively.  In addition a few syntactic-sugary `static`</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment"> * methods are provided, in particular to perform shared pointer versions of `static_cast&lt;T*&gt;` and</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment"> * `dynamic_cast&lt;T*&gt;`.</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment"> *</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment"> * ### When to use ###</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment"> * The following assumes you are familiar with `shared_ptr` (`boost::` and `std::` are basically equivalent).</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment"> * Mechanically speaking, if class `C` subclasses Shared_ptr_alias_holder, then, simply, you gain a shorter way</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment"> * to write `boost::shared_ptr&lt;C&gt;` and `boost::shared_ptr&lt;const C&gt;`; plus briefer ways to cast down-class</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment"> * polymorphic `shared_ptr`s to those types (e.g., if `C2` derives from `C`, and one has a `shared_ptr&lt;C2&gt;` but</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment"> * needs a `shared_ptr&lt;C&gt;`).  It is prettier and more pleasant to write `C::Ptr`, `C::Const_ptr`, `C::ptr_cast(p)`,</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment"> * etc., which may not seem like much, but in our experience it adds up over time.  (Some coders aren&#39;t familiar with</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment"> * `{boost|std}::{static|dynamic}_pointer_cast()`, for example, so it&#39;s nice to provide equivalents &quot;out of the box.&quot;)</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment"> *</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment"> * However, in addition to these mechanical niceties, subclassing Shared_ptr_alias_holder indicates the</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment"> * intention that the inheriting class `C` is to be used with the *shared ownership pattern*: essentially,</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment"> * that:</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment"> *   -# `C`s are passed around by pointer, not by value;</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment"> *   -# a `C` is generated via the factory pattern only and returned pre-wrapped in a `shared_ptr`; and</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment"> *   -# a `C` is to be destroyed automatically once all outside *and* inside (to `C` code itself) references to that `C`</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment"> *      have disappeared.</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment"> *</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment"> * It may be tempting to derive from Shared_ptr_alias_holder for every class ever: who doesn&#39;t like syntactic sugar?</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment"> * We recommend restraint, however.  We recommend you do so if and only if `C` is indeed intended to be used per</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment"> * the above 3 bullet points (shared ownership pattern).</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment"> *</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment"> * For example, net_flow::Node is just a (rather big) class,</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment"> * intended to be used in boring ways, such as on the stack; and so it lacks any `Node::Ptr`.  However, it stores</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment"> * (internally) tables of net_flow::Peer_socket objects, and it also returns them for public use</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment"> * via factory methods such as `Node::connect() -&gt; Peer_socket::Ptr`.  A net_flow::Peer_socket is never &quot;out in the</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="comment"> * wild&quot; without a wrapping `shared_ptr`; hence it -- unlike `net_flow::Node` -- derives from Shared_ptr_alias_holder.</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="comment"> * Once both the `Node` user has finishes with a given `Peer_socket`, and the `Node` has also deleted it from its</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="comment"> * internal structures, the `Peer_socket` is deleted automatically.</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="comment"> *</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment"> * In particular, the *mere* fact that you want to use *a* `shared_ptr&lt;&gt;` with some class `C` -- and there are many</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment"> * such situations -- is not sufficient to endow `C` with a Shared_ptr_alias_holder parent.  It is more intended for</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment"> * when you want to use `C` with *only* `shared_ptr`s and in no other fashion.  `shared_ptr` is still useful in</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="comment"> * a less expansive role, without Shared_ptr_alias_holder or the pattern the latter encourages.</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="comment"> *</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="comment"> * ### How to use ###</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment"> * `T` would typically `public`ly subclass `Shared_ptr_alias_holder&lt;shared_ptr&lt;T&gt;, shared_ptr&lt;T const&gt;&gt;`,</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment"> * where `shared_ptr` is either `boost::shared_ptr` or `std::shared_ptr` (or some other semantically identical</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment"> * ref-counting pointer class template).  It&#39;s also reasonable to use `protected` or `private` inheritance.  Behavior is</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment"> * undefined in any other use case.</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment"> *</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment"> * It is not recommended to have `C2` derive from us, if `C` already derives from us, and `C2` is a subclass of `C`</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment"> * (directly or indirectly).  At that point `C2::Ptr` might refer to either alias, so compilation will likely fail</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment"> * when trying to use it, and browbeating it into working -- even if achieved -- is unlikely to result in syntactically</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment"> * pleasant code... which was the whole point in the first place.  So, don&#39;t do that.  If you need this stuff</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment"> * at multiple levels of a hierarchy, then it&#39;s probably best to just define the nested `Ptr` (etc.) manually.</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment"> * (It really isn&#39;t that hard in the first place... but reduced boiler-plate is reduced boiler-plate.)</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="comment"> *</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment"> * Also, if your `T` requires being an aggregate type -- such as if you intend to use `{}` direct member init --</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment"> * then you can&#39;t derive from anything, including us, and will have to make a manual `Ptr` (etc.).  Note that&#39;s true</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment"> * of other similar utilities like `boost::noncopyable`.</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment"> *</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="comment"> * ### Rationale ###</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="comment"> * Why have this at all?  Answer: It was tiring to keep manually making `using Ptr = shared_ptr&lt;X&gt;` nested aliases.</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment"> * Casting to `Ptr` in pretty fashion was also annoying to keep reimplementing.  Down with boiler-plate!</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment"> *</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment"> * Why not take a single template arg, the target type `T`?  Answer: That would&#39;ve been fine, but it seemed nice to</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment"> * be able to support not just specifically one of `&quot;{std|boost|...}::shared_ptr&quot;` but all of them.  Admittedly it&#39;s a</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment"> * bit uglier when declaring its use in the `class` or `struct` declaration; but since that&#39;s a one-time thing,</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="comment"> * trade-off seems worth it.</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment"> *</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment"> * @tparam Target_ptr</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="comment"> *         Supposing the intended subclass is `T`, this must be `shared_ptr&lt;T&gt;`, where `shared_ptr` is a class template</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="comment"> *         with `std::shared_ptr` semantics; namely at least `std::shared_ptr` itself and `boost::shared_ptr`.</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment"> * @tparam Const_target_ptr</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment"> *         Same as `Target_ptr` but pointing to immutable object: `shared_ptr&lt;T const&gt;`.  Note behavior is undefined</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment"> *         if the `T` in `Const_target_ptr` isn&#39;t the same `T` as in `Target_ptr`; or if</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment"> *         the `shared_ptr` template is different between the two (e.g., one uses `std::`, the other `boost::`).</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="comment"> *         Update: It is now recommended to leave this at its default.  Had the authors originally known about</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="comment"> *         `pointer_traits::rebind` this would never have been a parameter in the first place.  We are leaving it</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span><span class="comment"> *         in for compatibility with existing code.</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="comment"> *</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="comment"> * @todo flow::util::Shared_ptr_alias_holder `Const_target_ptr` is deprecated and shall be always left at its default</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span><span class="comment"> *       value in future code; eventually remove it entirely and hard-code the default value internally.</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="comment"> *</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="comment"> * @todo flow::util::Shared_ptr_alias_holder, such as it is, may well largely work for `unique_ptr` and other</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment"> * smart/fancy pointer types; should be generalized both in name (if possible) and capabilities (if not already</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment"> * the case).  Could be just a matter of updating docs and renaming (deprecated-path alias may be required to</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment"> * avoid a breaking change); or not.  Needs a bit of investigation to determine such details.  (The author (ygoldfel)</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment"> * was conisderably less advanced when this was originally made versus the time of this writing... maybe a</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment"> * decade+?  He meant well though.)</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="comment"> *</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment"> * @todo Add example usage snippets in Shared_ptr_alias_holder doc header, illustrating the pattern.</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment"> */</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Target_ptr,</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>         <span class="keyword">typename</span> Const_target_ptr&gt; <span class="comment">// Const_target_ptr is defaulted in _fwd.hpp.</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"><a class="line" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html">  119</a></span><span class="keyword">class </span><a class="code hl_class" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html">Shared_ptr_alias_holder</a></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>{</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>  <span class="comment">// Types.</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="comment"></span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment">  /// Short-hand for ref-counted pointer to mutable values of type `Target_type::element_type` (a-la `T*`).</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"><a class="line" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aa4f1af88393042e60159a3a67f0accbc">  125</a></span><span class="comment"></span>  <span class="keyword">using </span><a class="code hl_typedef" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aa4f1af88393042e60159a3a67f0accbc">Ptr</a> = Target_ptr;<span class="comment"></span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span><span class="comment">  /// Short-hand for ref-counted pointer to immutable values of type `Target_type::element_type` (a-la `T const *`).</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"><a class="line" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aef7998db71c60eeb5d1e3d1a97c14886">  127</a></span><span class="comment"></span>  <span class="keyword">using </span><a class="code hl_typedef" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aef7998db71c60eeb5d1e3d1a97c14886">Const_ptr</a> = Const_target_ptr;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>  <span class="comment">// Methods.</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment"></span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment">   * Provides syntactic-sugary way to perform a `static_pointer_cast&lt;&gt;` from a compatible smart pointer type `From_ptr`,</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="comment">   * typically `From_ptr::element_type` being in the same class hierarchy as `Target_ptr::element_type`.</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="comment">   *</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="comment">   * @tparam From_ptr</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="comment">   *         See type of arg to `std::static_pointer_cast&lt;&gt;()` or `boost::static_pointer_cast&lt;&gt;()`.</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment">   * @param ptr_to_cast</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">   *        The smart pointer to cast.</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment">   * @return Result of the cast.</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment">   */</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> From_ptr&gt;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"><a class="line" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a55a247bb8fb2ec94b7cbfdd56be65a81">  142</a></span>  <span class="keyword">static</span> <a class="code hl_typedef" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aa4f1af88393042e60159a3a67f0accbc">Ptr</a> <a class="code hl_function" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a55a247bb8fb2ec94b7cbfdd56be65a81">ptr_cast</a>(<span class="keyword">const</span> From_ptr&amp; ptr_to_cast);</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="comment"></span> </div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment">   * Identical to ptr_cast() but adds `const`-ness (immutability) to the pointed-to type.  So if ptr_cast()</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment">   * casts from `A*` to `B*`, this casts from `A*` to `B const *` (a/k/a `const B*`).</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment">   *</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment">   * @tparam From_ptr</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="comment">   *         See ptr_cast().</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="comment">   * @param ptr_to_cast</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="comment">   *        The smart pointer to cast.</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="comment">   * @return Result of the cast.</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span><span class="comment">   */</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> From_ptr&gt;</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"><a class="line" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a520b351b1463e585e278c8c7241b8fc8">  155</a></span>  <span class="keyword">static</span> <a class="code hl_typedef" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aef7998db71c60eeb5d1e3d1a97c14886">Const_ptr</a> <a class="code hl_function" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a520b351b1463e585e278c8c7241b8fc8">const_ptr_cast</a>(<span class="keyword">const</span> From_ptr&amp; ptr_to_cast);</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="comment"></span> </div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment">   * Equivalent to ptr_cast() but a `dynamic_pointer_cast` instead of static.</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="comment">   *</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="comment">   * @tparam From_ptr</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="comment">   *         See ptr_cast().</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span><span class="comment">   * @param ptr_to_cast</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="comment">   *        The smart pointer to cast.</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="comment">   * @return Result of the cast.  Recall this may be an empty (null) pointer.</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="comment">   */</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> From_ptr&gt;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"><a class="line" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#ac242f13a290877e84e44165e00a5905c">  167</a></span>  <span class="keyword">static</span> <a class="code hl_typedef" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aa4f1af88393042e60159a3a67f0accbc">Ptr</a> <a class="code hl_function" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#ac242f13a290877e84e44165e00a5905c">dynamic_ptr_cast</a>(<span class="keyword">const</span> From_ptr&amp; ptr_to_cast);</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="comment"></span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="comment">   * Identical to const_ptr_cast() but a `dynamic_pointer_cast` instead of static.</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span><span class="comment">   *</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span><span class="comment">   * @tparam From_ptr</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span><span class="comment">   *         See ptr_cast().</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span><span class="comment">   * @param ptr_to_cast</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span><span class="comment">   *        The smart pointer to cast.</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span><span class="comment">   * @return Result of the cast.  Recall this may be an empty (null) pointer.</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span><span class="comment">   */</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> From_ptr&gt;</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"><a class="line" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a013713e08c6537f91d6bdba29fcccdff">  179</a></span>  <span class="keyword">static</span> <a class="code hl_typedef" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aef7998db71c60eeb5d1e3d1a97c14886">Const_ptr</a> <a class="code hl_function" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a013713e08c6537f91d6bdba29fcccdff">dynamic_const_ptr_cast</a>(<span class="keyword">const</span> From_ptr&amp; ptr_to_cast);</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>}; <span class="comment">// class Shared_ptr_alias_holder</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span><span class="comment">// Template implementations.</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span> </div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Target_ptr, <span class="keyword">typename</span> Const_target_ptr&gt;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> From_ptr&gt;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span><span class="keyword">typename</span> <a class="code hl_typedef" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aa4f1af88393042e60159a3a67f0accbc">Shared_ptr_alias_holder&lt;Target_ptr, Const_target_ptr&gt;::Ptr</a></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"><a class="line" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a55a247bb8fb2ec94b7cbfdd56be65a81">  187</a></span>  <a class="code hl_function" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a55a247bb8fb2ec94b7cbfdd56be65a81">Shared_ptr_alias_holder&lt;Target_ptr, Const_target_ptr&gt;::ptr_cast</a>(<span class="keyword">const</span> From_ptr&amp; ptr_to_cast) <span class="comment">// Static.</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>{</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>  <span class="comment">// This was taken, conceptually, from the `{static|dynamic|...}_pointer_cast` page of cppreference.com.</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>  <span class="keyword">auto</span> <span class="keyword">const</span> raw_ptr_post_cast = <span class="keyword">static_cast&lt;</span>typename Target_ptr::element_type*<span class="keyword">&gt;</span>(ptr_to_cast.get());</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>  <span class="keywordflow">return</span> Target_ptr(ptr_to_cast, raw_ptr_post_cast);</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>}</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span> </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Target_ptr, <span class="keyword">typename</span> Const_target_ptr&gt;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> From_ptr&gt;</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="keyword">typename</span> <a class="code hl_typedef" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aef7998db71c60eeb5d1e3d1a97c14886">Shared_ptr_alias_holder&lt;Target_ptr, Const_target_ptr&gt;::Const_ptr</a></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"><a class="line" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a520b351b1463e585e278c8c7241b8fc8">  197</a></span>  <a class="code hl_function" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a520b351b1463e585e278c8c7241b8fc8">Shared_ptr_alias_holder&lt;Target_ptr, Const_target_ptr&gt;::const_ptr_cast</a>(<span class="keyword">const</span> From_ptr&amp; ptr_to_cast) <span class="comment">// Static.</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>{</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>  <span class="comment">// This was taken, conceptually, from the `{static|dynamic|...}_pointer_cast` page of cppreference.com.</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>  <span class="keyword">auto</span> <span class="keyword">const</span> raw_ptr_post_cast = <span class="keyword">static_cast&lt;</span>typename Target_ptr::element_type <span class="keyword">const </span>*<span class="keyword">&gt;</span>(ptr_to_cast.get());</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>  <span class="keywordflow">return</span> Const_target_ptr(ptr_to_cast, raw_ptr_post_cast);</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>}</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span> </div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Target_ptr, <span class="keyword">typename</span> Const_target_ptr&gt;</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> From_ptr&gt;</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="keyword">typename</span> <a class="code hl_typedef" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aa4f1af88393042e60159a3a67f0accbc">Shared_ptr_alias_holder&lt;Target_ptr, Const_target_ptr&gt;::Ptr</a></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"><a class="line" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#ac242f13a290877e84e44165e00a5905c">  207</a></span>  <a class="code hl_function" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#ac242f13a290877e84e44165e00a5905c">Shared_ptr_alias_holder&lt;Target_ptr, Const_target_ptr&gt;::dynamic_ptr_cast</a>(<span class="keyword">const</span> From_ptr&amp; ptr_to_cast) <span class="comment">// Static.</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>{</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>  <span class="comment">// This was taken, conceptually, from the `{static|dynamic|...}_pointer_cast` page of cppreference.com.</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>  <span class="keyword">auto</span> <span class="keyword">const</span> raw_ptr_post_cast = <span class="keyword">dynamic_cast&lt;</span>typename Target_ptr::element_type*<span class="keyword">&gt;</span>(ptr_to_cast.get());</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>  <span class="keywordflow">return</span> raw_ptr_post_cast ? Target_ptr(ptr_to_cast, raw_ptr_post_cast)</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>                           : Target_ptr();</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>}</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Target_ptr, <span class="keyword">typename</span> Const_target_ptr&gt;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> From_ptr&gt;</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span><span class="keyword">typename</span> <a class="code hl_typedef" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aef7998db71c60eeb5d1e3d1a97c14886">Shared_ptr_alias_holder&lt;Target_ptr, Const_target_ptr&gt;::Const_ptr</a></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"><a class="line" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a013713e08c6537f91d6bdba29fcccdff">  218</a></span>  <a class="code hl_function" href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a013713e08c6537f91d6bdba29fcccdff">Shared_ptr_alias_holder&lt;Target_ptr, Const_target_ptr&gt;::dynamic_const_ptr_cast</a>(<span class="keyword">const</span> From_ptr&amp; ptr_to_cast) <span class="comment">// Static.</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>{</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>  <span class="comment">// This was taken, conceptually, from the `{static|dynamic|...}_pointer_cast` page of cppreference.com.</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>  <span class="keyword">auto</span> <span class="keyword">const</span> raw_ptr_post_cast = <span class="keyword">dynamic_cast&lt;</span>typename Target_ptr::element_type <span class="keyword">const </span>*<span class="keyword">&gt;</span>(ptr_to_cast.get());</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>  <span class="keywordflow">return</span> raw_ptr_post_cast ? Const_target_ptr(ptr_to_cast, raw_ptr_post_cast)</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>                           : Const_target_ptr();</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>}</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span> </div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>} <span class="comment">// namespace flow::util</span></div>
<div class="ttc" id="aclassflow_1_1util_1_1Shared__ptr__alias__holder_html"><div class="ttname"><a href="classflow_1_1util_1_1Shared__ptr__alias__holder.html">flow::util::Shared_ptr_alias_holder</a></div><div class="ttdoc">Convenience class template that endows the given subclass T with nested aliases Ptr and Const_ptr ali...</div><div class="ttdef"><b>Definition:</b> <a href="shared__ptr__alias__holder_8hpp_source.html#l00119">shared_ptr_alias_holder.hpp:120</a></div></div>
<div class="ttc" id="aclassflow_1_1util_1_1Shared__ptr__alias__holder_html_a013713e08c6537f91d6bdba29fcccdff"><div class="ttname"><a href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a013713e08c6537f91d6bdba29fcccdff">flow::util::Shared_ptr_alias_holder::dynamic_const_ptr_cast</a></div><div class="ttdeci">static Const_ptr dynamic_const_ptr_cast(const From_ptr &amp;ptr_to_cast)</div><div class="ttdoc">Identical to const_ptr_cast() but a dynamic_pointer_cast instead of static.</div><div class="ttdef"><b>Definition:</b> <a href="shared__ptr__alias__holder_8hpp_source.html#l00218">shared_ptr_alias_holder.hpp:218</a></div></div>
<div class="ttc" id="aclassflow_1_1util_1_1Shared__ptr__alias__holder_html_a520b351b1463e585e278c8c7241b8fc8"><div class="ttname"><a href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a520b351b1463e585e278c8c7241b8fc8">flow::util::Shared_ptr_alias_holder::const_ptr_cast</a></div><div class="ttdeci">static Const_ptr const_ptr_cast(const From_ptr &amp;ptr_to_cast)</div><div class="ttdoc">Identical to ptr_cast() but adds const-ness (immutability) to the pointed-to type.</div><div class="ttdef"><b>Definition:</b> <a href="shared__ptr__alias__holder_8hpp_source.html#l00197">shared_ptr_alias_holder.hpp:197</a></div></div>
<div class="ttc" id="aclassflow_1_1util_1_1Shared__ptr__alias__holder_html_a55a247bb8fb2ec94b7cbfdd56be65a81"><div class="ttname"><a href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#a55a247bb8fb2ec94b7cbfdd56be65a81">flow::util::Shared_ptr_alias_holder::ptr_cast</a></div><div class="ttdeci">static Ptr ptr_cast(const From_ptr &amp;ptr_to_cast)</div><div class="ttdoc">Provides syntactic-sugary way to perform a static_pointer_cast&lt;&gt; from a compatible smart pointer type...</div><div class="ttdef"><b>Definition:</b> <a href="shared__ptr__alias__holder_8hpp_source.html#l00187">shared_ptr_alias_holder.hpp:187</a></div></div>
<div class="ttc" id="aclassflow_1_1util_1_1Shared__ptr__alias__holder_html_aa4f1af88393042e60159a3a67f0accbc"><div class="ttname"><a href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aa4f1af88393042e60159a3a67f0accbc">flow::util::Shared_ptr_alias_holder::Ptr</a></div><div class="ttdeci">Target_ptr Ptr</div><div class="ttdoc">Short-hand for ref-counted pointer to mutable values of type Target_type::element_type (a-la T*).</div><div class="ttdef"><b>Definition:</b> <a href="shared__ptr__alias__holder_8hpp_source.html#l00125">shared_ptr_alias_holder.hpp:125</a></div></div>
<div class="ttc" id="aclassflow_1_1util_1_1Shared__ptr__alias__holder_html_ac242f13a290877e84e44165e00a5905c"><div class="ttname"><a href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#ac242f13a290877e84e44165e00a5905c">flow::util::Shared_ptr_alias_holder::dynamic_ptr_cast</a></div><div class="ttdeci">static Ptr dynamic_ptr_cast(const From_ptr &amp;ptr_to_cast)</div><div class="ttdoc">Equivalent to ptr_cast() but a dynamic_pointer_cast instead of static.</div><div class="ttdef"><b>Definition:</b> <a href="shared__ptr__alias__holder_8hpp_source.html#l00207">shared_ptr_alias_holder.hpp:207</a></div></div>
<div class="ttc" id="aclassflow_1_1util_1_1Shared__ptr__alias__holder_html_aef7998db71c60eeb5d1e3d1a97c14886"><div class="ttname"><a href="classflow_1_1util_1_1Shared__ptr__alias__holder.html#aef7998db71c60eeb5d1e3d1a97c14886">flow::util::Shared_ptr_alias_holder::Const_ptr</a></div><div class="ttdeci">Const_target_ptr Const_ptr</div><div class="ttdoc">Short-hand for ref-counted pointer to immutable values of type Target_type::element_type (a-la T cons...</div><div class="ttdef"><b>Definition:</b> <a href="shared__ptr__alias__holder_8hpp_source.html#l00127">shared_ptr_alias_holder.hpp:127</a></div></div>
<div class="ttc" id="anamespaceflow_1_1util_html"><div class="ttname"><a href="namespaceflow_1_1util.html">flow::util</a></div><div class="ttdoc">Flow module containing miscellaneous general-use facilities that don't fit into any other Flow module...</div><div class="ttdef"><b>Definition:</b> <a href="basic__blob_8hpp_source.html#l00028">basic_blob.hpp:29</a></div></div>
<div class="ttc" id="autil__fwd_8hpp_html"><div class="ttname"><a href="util__fwd_8hpp.html">util_fwd.hpp</a></div></div>
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